[ICOM] IC-2100 audio

[Mike Reublin NF4L]

Reid -
I'll try the re-tightening thing. In the article you reference, it lists one of the symptoms as a crackling in the speaker. I don't have that. Does that alter your diagnosis?

On your FTP site, all the files are for Windoze except the manual. I use a Mac, and I have no idea what the .exes are for, so I'd be hesitant to run them

I'd like to know for sure if it's the mic or not. As I said in the previous post,  I had already swapped the mic cord end for end and also re-crimped the RJ45s.

The HM-133S came packed with the radio which I bought new.

73, Mike

> On Apr 25, 2015, at 4:08 PM, w4upd <updwrb at bristor-assoc.com> wrote:
> 
> Doesn't matter. There can be corrosion or dirt. I would back off the screws about 1/2 turn and re-tighten. Use the following URL to check on possible solution:
> 
>    http://www.hampedia.net/icom/ic-2100h-crackle-on-transmit.php
> 
> Also go to my FTP site:
> 
>    ftp://ftp.bristor-assoc.com/pub/Amateur/Icom/
> 
> and look at the files listed related to the 2100. Maybe they will help.
> 
> If microphone, I would try swapping cord ends and see if it persists.
> 
> Reid, W4UPD
> 
> 
> 
> On 4/25/2015 3:56 PM, Mike Reublin NF4L wrote:
>> Thanks, Reid.
>> 
>> I don't turn up anything online. The board screws are really tight, not even a hair movement. I had already swapped the mic cord end for end and also re-crimped the RJ45s.
>> 
>> Mike NF4L
>>   
>>> On Apr 25, 2015, at 1:00 PM, w4upd <updwrb at bristor-assoc.com> wrote:
>>> 
>>> Certain runs of the IC-2100 are known to have these problems even fresh from the factory. Usually it is the early models, but any of them can do it. I would check on line for the fixes. They usually entail opening up the unit and tightening the PC board mounting screws. Adding a ground strap to a couple of the screws and the case ground. I'd say about 90 - 95% of the time this remedies the problem. Otherwise the 2100 is not a bad rig especially for mobile and I like the old HM-98 mike with the tone button cover for mobile. Also, you might swap the RJ45 mike connectors around on the mike. Both ends of the cord are the same.
>>> 
>>> Reid, W4UPD
>>> 
>>> On 4/25/2015 12:51 PM, Mike Reublin NF4L wrote:
>>>> The IC-2100 is my desktop rig, never been mobile. I get frequent reports of broken crackly audio that sounds like an intermittent mic cord. I've put the cord in a tester and wiggled and pulled it, with no indication of fault. Anybody have any hints or kinky about solving this?
>>>> 
>>>> Is there a possibility of a problem with the jacks in the mic or the rig?
>>>> 
>>>> 73, Mike NF4L
>>>> 
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>> ----
>> Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
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> 
> ----
> Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
> Icom Users Net: Sundays, 1700Z, 14.316 MHz
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> To support QSL/QTH.net: http://www.qsl.net/donate.html